User Manual for Oscar GNSS Receiver v2.4
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4) If the current firmware version of your Oscar is earlier than V1.4.0 (not
included), the firmware upgrade program will automatically start after boot up;
If your Oscar firmware version is V1.4.0 or later, it is needed to follow the steps
below.
Steps for Ultimate and Advanced versions:
Press and hold the power button and the FN button at the same time. When
the TERSUS icon appears on the LED panel, release the power button. Only
hold down the FN button and keep pressing the FN button until the LED panel
displays "SYSTEM UPGRADE". Release the FN button and wait for the
upgrade. “SYSTEM UPGRADE" means starting to upgrade the firmware,
"SYSTEM REBOOT" means the receiver starts to restart automatically, please
wait for this process until the LED panel displays the operation interface.After
the LED panel displays the operation interface, you can check whether the
Oscar firmware upgrade is successful. If the Oscar firmware version is
consistent with the latest firmware version in the USB flash drive, it means the
firmware upgrade is successful.
Steps for Basic version:
Press and hold the power button and the FN button at the same time, release
the power button when the six indicators on the LED panel are all on. Only hold
down the FN button and keep pressing the FN button until the six indicators on
the LED panel are all on again. Release the FN button and wait for the
upgrade. After the firmware upgrade is completed, the power LED light is on
and the satellite light flashes. At this time, you can check the Oscar firmware
version. If it is consistent with the latest firmware version in the USB flash drive,
the firmware upgrade is successful.
Note: Please make sure the battery has enough power for the firmware
upgrade. The GNSS board inside Oscar will upgrade when the firmware is
upgrading, any forced power failure will cause the system crash.
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